/* login.css — 登入頁面（倉鼠智慧設計系統） */

*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{
  font-family:'Manrope','Noto Sans TC',system-ui,sans-serif;
  background:
    radial-gradient(1400px 500px at 70% -80px, color-mix(in srgb, var(--primary) 12%, transparent), transparent 70%),
    radial-gradient(1000px 500px at 20% 120%, color-mix(in srgb, var(--violet) 8%, transparent), transparent 70%),
    radial-gradient(800px 400px at 50% 50%, color-mix(in srgb, var(--success) 4%, transparent), transparent 60%),
    var(--bg);
  color:var(--text);
  display:flex;align-items:center;justify-content:center;
  overflow-x:hidden;overflow-y:auto;
  padding:clamp(16px,3vw,32px);
}

.boot-main{
  width:100%;
  max-width:1200px;
  position:relative;
  isolation:isolate;
}
.boot-main::before{
  content:'';
  position:absolute;
  inset:-16% -10% auto;
  height:240px;
  background:
    radial-gradient(60% 80% at 10% 50%, color-mix(in srgb, var(--success) 18%, transparent), transparent 75%),
    radial-gradient(56% 80% at 92% 42%, color-mix(in srgb, var(--primary) 20%, transparent), transparent 75%);
  pointer-events:none;
  filter:blur(28px);
  opacity:.72;
  z-index:-2;
}
.boot-main::after{
  content:'';
  position:absolute;
  inset:8% 20% auto;
  height:160px;
  background:linear-gradient(90deg, transparent, color-mix(in srgb, var(--text) 10%, transparent), transparent);
  pointer-events:none;
  transform:skewY(-4deg);
  opacity:.24;
  z-index:-1;
}

/* ═══ 主容器 ═══ */
.boot-container{
  position:relative;z-index:1;
  width:100%;max-width:960px;
  display:flex;gap:clamp(28px,4vw,64px);align-items:center;
  margin:auto;
}

/* ═══ 品牌視覺區 ═══ */
.brand-side{
  flex-shrink:0;display:flex;flex-direction:column;align-items:center;gap:20px;
  width:280px;
}
.brand-logo{
  width:clamp(140px,18vw,200px);height:auto;
  filter:drop-shadow(0 4px 20px rgba(0,0,0,0.3)) drop-shadow(var(--shadow-glow-primary));
}
.brand-title{
  font-size:var(--text-xl);font-weight:800;
  letter-spacing:var(--heading-letter-spacing);
  color:var(--text-heading);text-align:center;
  line-height:1.3;
}
.brand-subtitle{
  font-size:var(--text-xs);font-weight:600;
  letter-spacing:0.12em;text-transform:uppercase;
  color:var(--text-muted);text-align:center;
}
.login-os-snapshot{
  width:100%;
  display:grid;
  gap:10px;
  padding:12px;
  border:1px solid color-mix(in srgb, var(--border) 72%, var(--success) 28%);
  border-radius:var(--radius);
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--surface) 88%, var(--success) 12%), color-mix(in srgb, var(--surface-elev) 90%, var(--primary) 10%));
  box-shadow:var(--shadow-card);
}
.snapshot-status-row{
  display:flex;
  align-items:center;
  gap:8px;
  min-width:0;
  font-size:var(--text-xs);
  font-weight:800;
  color:var(--text-heading);
}
.snapshot-pulse{
  position:relative;
  width:9px;
  height:9px;
  flex:0 0 auto;
  border-radius:50%;
  background:var(--success);
  box-shadow:0 0 0 4px color-mix(in srgb, var(--success) 16%, transparent);
}
.snapshot-pulse::after{
  content:'';
  position:absolute;
  inset:-5px;
  border:1px solid color-mix(in srgb, var(--success) 42%, transparent);
  border-radius:50%;
  animation:snapshotPulse 1.8s ease-out infinite;
}
.snapshot-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:8px;
}
.snapshot-item{
  min-width:0;
  padding:8px;
  border:1px solid color-mix(in srgb, var(--border) 72%, transparent);
  border-radius:var(--radius-xs);
  background:color-mix(in srgb, var(--surface-elevated) 72%, transparent);
}
.snapshot-kicker{
  display:block;
  margin-bottom:2px;
  color:var(--text-muted);
  font-family:var(--font-mono);
  font-size:10px;
  line-height:1.2;
}
.snapshot-item strong{
  display:block;
  color:var(--text-heading);
  font-size:11px;
  line-height:1.35;
  letter-spacing:0;
}
@keyframes snapshotPulse{
  from{opacity:.7;transform:scale(.72)}
  to{opacity:0;transform:scale(1.55)}
}
.brand-constitution{
  width:100%;
  border:1px solid color-mix(in srgb, var(--border) 76%, var(--primary) 24%);
  border-radius:var(--radius);
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--surface) 86%, var(--primary) 14%), color-mix(in srgb, var(--surface-elev) 88%, var(--success) 12%));
  padding:12px 14px;
  box-shadow:var(--shadow-card);
}
.constitution-title{
  margin:0 0 8px;
  font-size:var(--text-2xs);
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--text-dim);
}
.constitution-list{
  list-style:none;
  display:grid;
  gap:8px;
}
.constitution-list li{
  display:grid;
  gap:2px;
  padding-bottom:8px;
  border-bottom:1px dashed color-mix(in srgb, var(--border) 70%, transparent);
}
.constitution-list li:last-child{
  border-bottom:none;
  padding-bottom:0;
}
.constitution-list strong{
  font-size:var(--text-xs);
  letter-spacing:.02em;
  color:var(--text-heading);
}
.constitution-list span{
  font-size:11px;
  line-height:1.5;
  color:var(--text-muted);
}
/* 員工價值卡（變體 C：取代工程憲法，扁平風格）*/
.login-value{
  width:100%;
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--surface);
  padding:14px 16px;
  box-shadow:var(--shadow-card);
}
.value-title{
  margin:0 0 12px;
  font-size:var(--text-2xs);
  font-weight:700;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--text-dim);
}
.value-list{
  list-style:none;
  display:grid;
  gap:14px;
  margin:0;padding:0;
}
.value-list li{
  display:flex;
  align-items:flex-start;
  gap:11px;
}
.value-ic{
  flex:0 0 auto;
  width:20px;height:20px;
  color:var(--primary);
  margin-top:1px;
}
.value-list strong{
  display:block;
  font-size:var(--text-xs);
  color:var(--text-heading);
  letter-spacing:.01em;
}
.value-list span{
  display:block;
  font-size:11px;
  line-height:1.5;
  color:var(--text-muted);
  margin-top:1px;
}
/* 客戶租戶 logo — 首字圓標 */
.brand-logo--tenant{
  width:clamp(84px,10vw,104px);
  height:clamp(84px,10vw,104px);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-dim);
  border:1.5px solid var(--primary);
  color:var(--primary);
  font-size:2.4rem;font-weight:800;
  filter:drop-shadow(0 4px 20px rgba(0,0,0,0.3));
}

/* 品牌裝飾光環 */
.brand-glow{
  position:relative;display:flex;align-items:center;justify-content:center;
}
.brand-glow::before{
  content:'';position:absolute;
  width:220px;height:80px;border-radius:50%;
  background:radial-gradient(ellipse,color-mix(in srgb, var(--primary) 14%, transparent),transparent 70%);
  pointer-events:none;
}

/* ═══ 軌道動畫 ═══ */
@keyframes orbitSpin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}

.orbit-ring{
  position:absolute;
  width:160px;height:160px;border-radius:50%;
  border:1px solid color-mix(in srgb, var(--primary) 18%, transparent);
  animation:orbitSpin 20s linear infinite;
  pointer-events:none;
}
.orbit-ring-2{
  width:200px;height:200px;
  border-color:color-mix(in srgb, var(--violet) 14%, transparent);
  animation-duration:30s;animation-direction:reverse;
}
.orbit-dot{
  position:absolute;top:-3px;left:50%;
  width:6px;height:6px;margin-left:-3px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 8px color-mix(in srgb, var(--primary) 60%, transparent);
}
.orbit-ring-2 .orbit-dot{
  background:var(--violet);
  box-shadow:0 0 8px color-mix(in srgb, var(--violet) 60%, transparent);
}

/* ═══ 終端機面板 ═══ */
.terminal{
  flex:1;min-width:0;position:relative;
}
.terminal::before{
  content:'';
  position:absolute;
  inset:-8px;
  border-radius:calc(var(--radius) + 8px);
  background:conic-gradient(from 120deg, color-mix(in srgb, var(--primary) 26%, transparent), transparent 45%, color-mix(in srgb, var(--success) 22%, transparent), transparent 72%, color-mix(in srgb, var(--violet) 24%, transparent));
  filter:blur(24px);
  opacity:.28;
  z-index:-1;
  pointer-events:none;
}
.terminal-header{
  display:flex;align-items:center;gap:8px;
  padding:10px 16px;
  background:var(--glass-bg);
  backdrop-filter:blur(var(--glass-blur-sm));
  -webkit-backdrop-filter:blur(var(--glass-blur-sm));
  border:1px solid var(--glass-border);border-bottom:none;
  border-radius:var(--radius) var(--radius) 0 0;
  font-size:var(--text-2xs);color:var(--text-muted);
}
.terminal-dots{display:flex;gap:6px}
.terminal-dots span{width:10px;height:10px;border-radius:50%;opacity:.85}
.terminal-dots span:nth-child(1){background:#ff5f57}
.terminal-dots span:nth-child(2){background:#ffbd2e}
.terminal-dots span:nth-child(3){background:#28c840}
.terminal-title{
  margin-left:8px;letter-spacing:0.08em;
  font-family:var(--font-mono);font-weight:500;
}

.terminal-body{
  position:relative;
  background:var(--glass-bg);
  backdrop-filter:blur(var(--glass-blur));
  -webkit-backdrop-filter:blur(var(--glass-blur));
  border:1px solid var(--glass-border);
  border-top:1px solid color-mix(in srgb, var(--glass-border) 50%, transparent);
  border-radius:0 0 var(--radius) var(--radius);
  padding:20px;min-height:280px;max-height:500px;
  overflow-y:auto;
  font-family:var(--font-mono);
  font-size:var(--text-xs);line-height:1.9;
  box-shadow:
    var(--shadow-card),
    0 0 40px rgba(3, 9, 20, 0.35),
    inset 0 1px 0 color-mix(in srgb, var(--primary) 6%, transparent);
  scrollbar-width:thin;
  scrollbar-color:var(--scrollbar-thumb, color-mix(in srgb, var(--primary) 20%, transparent)) transparent;
}
.terminal-body::before{
  content:'';
  position:absolute;
  inset:0;
  background:repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 2px,
    color-mix(in srgb, var(--text) 3%, transparent) 3px,
    transparent 4px
  );
  pointer-events:none;
  opacity:.26;
}
.terminal-body::-webkit-scrollbar{width:4px}
.terminal-body::-webkit-scrollbar-track{background:transparent}
.terminal-body::-webkit-scrollbar-thumb{background:color-mix(in srgb, var(--primary) 20%, transparent);border-radius:2px}

/* 終端機文字色系 — 使用設計系統色彩 */
.t-line{line-height:1.9}
.t-prompt{color:var(--primary)}
.t-info{color:var(--success)}
.t-warn{color:var(--warning)}
.t-err{color:var(--danger)}
.t-ok{color:var(--success)}
.t-dim{color:var(--text-muted)}

/* ═══ 認證表單 ═══ */
.auth-form{display:none;margin-top:12px}
.auth-form.show{display:block}
.auth-row{
  display:flex;align-items:center;gap:8px;
  margin:6px 0;padding:6px 10px;
  border-radius:var(--radius-xs);
  background:color-mix(in srgb, var(--primary) 4%, transparent);
  border:1px solid color-mix(in srgb, var(--primary) 8%, transparent);
  transition:border-color var(--duration-fast);
}
.auth-row:focus-within{
  border-color:color-mix(in srgb, var(--primary) 40%, transparent);
  box-shadow:0 0 0 3px color-mix(in srgb, var(--primary) 8%, transparent), var(--glow-primary, 0 0 24px rgba(63, 178, 255, 0.1));
}
.auth-label{
  color:var(--primary);font-size:var(--text-xs);font-weight:700;
  min-width:52px;letter-spacing:0.06em;
  font-family:var(--font-mono);
}
.auth-input{
  flex:1;background:transparent;border:none;outline:none;
  color:var(--text-heading);
  font-family:var(--font-mono);font-size:var(--text-xs);
  caret-color:var(--primary);min-height:28px;
}
.auth-input::placeholder{color:var(--text-muted)}

/* 密碼顯示/隱藏切換 */
.pass-toggle{
  flex-shrink:0;display:flex;align-items:center;justify-content:center;
  width:28px;height:28px;padding:0;
  background:transparent;border:none;cursor:pointer;
  color:var(--text-muted);border-radius:var(--radius-xs);
  transition:color var(--duration-fast);
}
.pass-toggle:hover{color:var(--primary)}
.pass-toggle:focus-visible{
  outline:2px solid var(--focus-outline);
  outline-offset:2px;
}
.pass-icon{width:16px;height:16px}
.pass-icon.hidden{display:none}

/* Caps Lock 警告 */
.caps-lock-warn{
  margin:4px 0 0 62px;
  font-size:var(--text-2xs);line-height:1.6;
}
.caps-lock-warn.hidden{display:none}

/* 錯誤搖晃動畫 */
@keyframes shake{
  0%,100%{transform:translateX(0)}
  15%{transform:translateX(-6px)}
  30%{transform:translateX(5px)}
  45%{transform:translateX(-4px)}
  60%{transform:translateX(3px)}
  75%{transform:translateX(-2px)}
}
.auth-form.shake{animation:shake 0.5s ease-in-out}

.auth-btn{
  margin-top:12px;padding:10px 24px;width:100%;
  border:1px solid color-mix(in srgb, var(--primary) 30%, transparent);
  background:linear-gradient(135deg,color-mix(in srgb, var(--primary) 14%, transparent),color-mix(in srgb, var(--primary) 8%, transparent));
  border-radius:var(--radius-xs);
  color:var(--primary);
  font-family:var(--font-mono);font-size:var(--text-xs);font-weight:700;
  cursor:pointer;letter-spacing:0.08em;
  transition:all var(--duration-fast) var(--ease-default);
}
.auth-btn:hover{
  background:linear-gradient(135deg,color-mix(in srgb, var(--primary) 24%, transparent),color-mix(in srgb, var(--primary) 16%, transparent));
  border-color:var(--primary);
  box-shadow:var(--glow-primary, var(--shadow-glow-primary)), 0 8px 24px rgba(63, 178, 255, 0.12);
  transform:translateY(-2px);
}
.auth-btn:active{transform:var(--active-press)}
.auth-btn:disabled{opacity:.4;cursor:not-allowed;transform:none}
.auth-btn:focus-visible{outline:2px solid var(--focus-outline);outline-offset:2px}

/* 端末機行內小按鈕（portal_pending/no_permission 等，不需要全寬）*/
.auth-btn--inline-sm{
  display:inline-block;
  text-decoration:none;
  max-width:160px;
  padding:8px 14px;
  font-size:0.86rem;
}

/* 無權限頁 — 按鈕列 */
.t-line--actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.btn-login--action{
  text-decoration:none;
  display:inline-block;
  padding:8px 20px;
  text-align:center;
}
.btn-login--ghost{
  background:transparent;
  border:1px solid var(--border);
}

/* ═══ OAuth 分隔線 + Google 登入按鈕 ═══ */
.auth-divider{display:flex;align-items:center;gap:10px;margin:14px 0 10px}
.auth-divider-line{flex:1;height:1px;background:var(--border)}
.auth-divider-text{font-size:var(--text-xs);color:var(--text-muted);font-family:var(--font-mono)}

.auth-btn-google{
  display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;padding:10px 16px;
  background:var(--surface-elevated);
  border:1px solid var(--border);
  border-radius:var(--radius-xs);
  color:var(--text);
  font-family:var(--font-mono);font-size:var(--text-xs);font-weight:500;
  text-decoration:none;cursor:pointer;letter-spacing:0.04em;
  transition:all var(--duration-fast) var(--ease-default);
}
.auth-btn-google:hover{
  background:var(--surface-hover);
  border-color:color-mix(in srgb, var(--primary) 50%, transparent);
  box-shadow:var(--glow-primary, 0 0 20px rgba(63, 178, 255, 0.1));
  transform:translateY(-2px);
}
.auth-btn-google:active{transform:var(--active-press)}
.auth-btn-google:focus-visible{outline:2px solid var(--focus-outline);outline-offset:2px}
.google-icon{flex-shrink:0}

.auth-social-btns{display:flex;flex-direction:column;gap:8px;width:100%}

.auth-btn-line{
  display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;padding:10px 16px;
  background:var(--surface-elevated);
  border:1px solid var(--border);
  border-radius:var(--radius-xs);
  color:var(--text);
  font-family:var(--font-mono);font-size:var(--text-xs);font-weight:500;
  text-decoration:none;cursor:pointer;letter-spacing:0.04em;
  transition:all var(--duration-fast) var(--ease-default);
}
.auth-btn-line:hover{
  background:var(--surface-hover);
  border-color:#06C755;
  box-shadow:0 0 20px rgba(6, 199, 85, 0.12);
  transform:translateY(-2px);
}
.auth-btn-line:active{transform:var(--active-press)}
.auth-btn-line:focus-visible{outline:2px solid var(--focus-outline);outline-offset:2px}
.line-icon{flex-shrink:0}

#auth-error{
  margin-top:8px;padding:8px 12px;
  border-radius:var(--radius-xs);
  background:var(--danger-soft-bg);
  border:1px solid var(--danger-soft-border);
  font-size:var(--text-xs);
}

/* ═══ 導航按鈕 ═══ */
.nav-panel{display:none;margin-top:20px}
.nav-panel.show{display:block}
.nav-btns{display:flex;gap:10px;flex-wrap:wrap}
.nav-btn{
  padding:10px 22px;
  border:1px solid color-mix(in srgb, var(--primary) 25%, transparent);
  background:linear-gradient(135deg,color-mix(in srgb, var(--primary) 8%, transparent),color-mix(in srgb, var(--primary) 4%, transparent));
  border-radius:var(--radius-xs);
  color:var(--primary);
  font-family:'Manrope','Noto Sans TC',system-ui,sans-serif;
  font-size:var(--text-sm);font-weight:700;
  cursor:pointer;
  transition:all var(--duration-fast) var(--ease-default);
  text-decoration:none;display:inline-flex;align-items:center;gap:6px;
  letter-spacing:0.02em;
}
.nav-btn:hover{
  background:linear-gradient(135deg,color-mix(in srgb, var(--primary) 16%, transparent),color-mix(in srgb, var(--primary) 10%, transparent));
  border-color:var(--primary);
  box-shadow:var(--shadow-glow-primary);
  color:var(--text-heading);
  transform:translateY(-1px);
}
.nav-btn:active{transform:var(--active-press)}
.nav-btn.secondary{
  border-color:color-mix(in srgb, var(--violet) 25%, transparent);
  background:linear-gradient(135deg,color-mix(in srgb, var(--violet) 8%, transparent),color-mix(in srgb, var(--violet) 4%, transparent));
  color:var(--violet);
}
.nav-btn.secondary:hover{
  background:linear-gradient(135deg,color-mix(in srgb, var(--violet) 16%, transparent),color-mix(in srgb, var(--violet) 10%, transparent));
  border-color:var(--violet);
  box-shadow:0 0 20px color-mix(in srgb, var(--violet) 15%, transparent);
}

/* ═══ 版權底部 ═══ */
.login-footer{
  position:fixed;bottom:0;left:0;right:0;
  text-align:center;padding:12px;
  font-size:var(--text-2xs);color:var(--text-muted);
  letter-spacing:0.04em;
  z-index:0;pointer-events:none;
}

/* ═══ 響應式 ═══ */
@media(max-width:768px){
  /* 短螢幕從頁面頂端開始，避免置中時把整個登入區推到視窗外 */
  body{align-items:flex-start}
  .boot-container{
    flex-direction:column;gap:24px;
    padding:0;align-items:stretch;
  }
  /* 手機優先顯示登入表單，品牌與產品介紹仍可向下瀏覽 */
  .brand-side{order:1;width:auto;align-self:center;max-width:560px}
  .brand-logo{width:clamp(120px,40vw,160px)}
  .brand-glow::before{width:180px;height:60px}
  .orbit-ring{width:130px;height:130px}
  .orbit-ring-2{width:165px;height:165px}
  .brand-constitution{
    padding:12px;
  }
  .snapshot-grid{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
  .constitution-list{
    gap:6px;
  }
  .constitution-list li{
    padding-bottom:6px;
  }
  .terminal{order:-1;width:100%}
  .terminal-body{
    min-height:260px;
    max-height:min(56vh,460px);
    font-size:0.62rem;
    overflow-x:hidden;
  }
  .auth-row{
    min-height:44px;
  }
  .auth-input{
    font-size:max(16px, var(--text-xs));
    min-height:32px;
  }
  .auth-btn{
    min-height:48px;
    font-size:max(14px, var(--text-xs));
    -webkit-tap-highlight-color:transparent;
    touch-action:manipulation;
  }
  .auth-btn-google,.auth-btn-line{
    min-height:48px;
    -webkit-tap-highlight-color:transparent;
    touch-action:manipulation;
  }
  .auth-btn:active,.auth-btn-google:active,.auth-btn-line:active{
    transform:scale(0.97);
    transition-duration:0.08s;
  }
  .nav-btns{flex-direction:column}
  .nav-btn{
    width:100%;justify-content:center;
    min-height:48px;
    -webkit-tap-highlight-color:transparent;
  }
  .login-footer{display:none}
}

/* ═══ 390px 超小螢幕 ═══ */
@media(max-width:390px){
  body{padding:clamp(10px,2vw,16px)}
  .brand-logo{width:clamp(100px,32vw,130px)}
  .brand-title{font-size:var(--text-base)}
  .brand-subtitle{font-size:0.58rem}
  .orbit-ring{width:110px;height:110px}
  .orbit-ring-2{width:140px;height:140px}
  .brand-constitution{padding:10px 12px}
  .login-os-snapshot{padding:10px}
  .snapshot-grid{grid-template-columns:1fr}
  .snapshot-item{padding:7px 8px}
  .constitution-list strong{font-size:0.65rem}
  .constitution-list span{font-size:10px}
  .terminal-body{
    padding:14px;
    min-height:220px;
    font-size:0.58rem;
  }
  .auth-row{padding:8px 10px;gap:8px}
  .auth-label{font-size:0.65rem;min-width:44px}
  /* input font-size MUST ≥ 16px 避免 iOS Safari focus 自動 zoom-in；
     用 max() 保留行內裝飾性 font 又防 zoom */
  .auth-input{font-size:max(16px, 0.65rem);min-height:36px}
  /* 觸控目標 MUST ≥ 44px（WCAG 2.2 AA / iOS HIG） */
  .auth-btn{padding:12px 16px;font-size:0.7rem;min-height:44px}
  .auth-btn-google,.auth-btn-line{padding:12px 14px;font-size:0.7rem;min-height:44px}
  .nav-btn{padding:10px 16px;font-size:var(--text-xs);min-height:40px}
}

/* ═══ 終端機游標閃爍 ═══ */
@keyframes cursorBlink{
  0%,100%{opacity:1}
  50%{opacity:0}
}
.t-cursor{
  display:inline-block;
  width:7px;height:1.1em;
  background:var(--primary);
  margin-left:2px;
  vertical-align:text-bottom;
  animation:cursorBlink 1s step-end infinite;
}

/* ═══ 終端機文字逐行淡入 ═══ */
.t-line{
  animation:terminalLineIn 0.3s ease-out both;
}

@keyframes terminalLineIn{
  from{opacity:0;transform:translateY(4px)}
  to{opacity:1;transform:translateY(0)}
}

/* ═══ 終端機頭部裝飾線 ═══ */
.terminal-header::after{
  content:'';
  position:absolute;
  bottom:0;left:10%;right:10%;
  height:1px;
  background:linear-gradient(90deg, transparent, color-mix(in srgb, var(--primary) 20%, transparent), transparent);
}

/* ═══ 認證表單聚焦強化 ═══ */
.auth-form.show{
  display:block;
  animation:authFormIn 0.35s var(--ease-out-expo, ease) both;
}

@keyframes authFormIn{
  from{opacity:0;transform:translateY(8px)}
  to{opacity:1;transform:translateY(0)}
}

/* ═══ OAuth 按鈕 hover 品牌色增強 ═══ */
.auth-btn-google:hover .google-icon{
  filter:drop-shadow(0 0 4px rgba(66,133,244,0.3));
}

.auth-btn-line:hover .line-icon{
  filter:drop-shadow(0 0 4px rgba(6,199,85,0.3));
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}